More usually, people imagine the reverse of the advanced alien civilizations: that the thing that we and they are most likely to have in common is the concept o

More usually, people imagine the reverse of the advanced alien civilizations: that the thing that we and they are most likely to have in common is the concept of obtaining the ratio between a circle's circumference and its diameter, whereas the things that they possibly aren't even aware of are going to be concepts like economics or poetry.